Tropical sunshine recorder Mk IIIA by Casella
1959
Psychrometer by Casella
Assmann psychrometer by C. F. Casella
1919
Clockwork aspirated psychrometer
Sensitive' anemometer
1950
Portable 3-cup anemometer by Casella London
1963
Piche evaporimeter by Casella
[1965]
Whirling psychrometer
1966
Hygrometer slide rule no T8563/1
1960-1970
Polymeter, relative humidity meter
1950-1970
Eclimeter, British, 1910-1950
1910-1950
Sunshine Recorder for Tropical Latitudes by Casella, 1925
1925
Anderson's slide rule
Aspirated psychrometer by Casella
1930
Frost point hygrometer
1951
Assmann psychrometer by Casella
1944
Shielded Campbell-Stokes sunshine recorder Mk II
1952
Dial for Anemometer 'Meter No.3'
1940-1960
Night sky camera by Casella
1939
C.F. Casella and Co. Ltd personal air quality sampler, 1971-1980
1971-1980
Maximum and minimum thermometer by C.F.Casella
1908-1913
Clockwork aspirated psychrometer, Mk3
1971
Visibility meter MkII by Casella London
1943
Run of wind anemometer by C.F. Casella
1940-1950
School rain gauge by C.F. Casella and Co. Ltd
1936
C.F. Casella and Co. Ltd cascade type dust grader, 1961-1970
1961-1970
Reeve's patent night marching watch
1916
White & Bean's area scale on transparent celluloid
1907
Whirling psychrometer
1940-1945
Owens Dust Counter
1960-1969
Stand and fan for hand-operated Assmann psychrometer
1952
3 cup sensitive anemometer by C.F. C (C.F. Casella and Co. Ltd)
1942
3 cup sensitive anemometer
1942
J.S. Dines' recording theodolite
1910-1920
Case with 3 photothermograph scales
1957
Bennett-Casella visibility meter by C.F. Casella and Co. Ltd
1949
Bimetallic actinograph, M.O. Mark III, by Casella, 1955
1955
Frost point hygrometer
1951
Revolution and Speed indicator
Glass discharge tube
1900-1925
Bent-stem earth thermometer by C.F. Casella and Co. Ltd
1925
Template pricker, 1950-1970
1950-1970
Frame for whirling psychrometer
1920-1940
Earth thermometer
Minimum thermometer
1917
5-inch transit theodolite by Casella
1924
Three packets of hygrometer wicks
[1966]
Frame for whirling psychrometer
1920-1940
Electric cup anemometer and portable receiver
1924